SCHEDULE 13G/A

BLEICHROEDER ACQUISITION COR

Class A ordinary shares, $0.0001 par value per share · CUSIP: G1169T104

Event date: 2025-09-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Westchester Capital Management, LLC

  Shares: 1,265,907 · Class: 4.98%

• Virtus Investment Advisers, LLC

  Shares: 1,213,760 · Class: 4.77%

• The Merger Fund

  Shares: 1,173,084 · Class: 4.61%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.